UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for DRRN... Searching the city database file for: DRRN ... Date:0000Z 18 OCT 25 Station: DRRN WMO ident: 61052 Latitude: 13.48 Longitude: 2.17 Elevation: 227.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 111 SFC 987 227 29.0 16.0 45 13.0 20.2 200 4 303.3 305.4 293.8 337.9 11.66 2 972 365 33.2 13.2 30 20.0 19.8 137 12 308.8 310.7 294.0 338.8 9.85 3 958 496 32.0 12.0 29 20.0 18.8 141 11 308.9 310.7 293.6 337.1 9.23 4 925 810 29.2 10.2 31 19.0 17.0 135 11 309.2 310.8 293.1 335.1 8.47 5 874 1311 24.4 10.4 41 14.0 15.4 105 14 309.2 310.9 293.6 337.0 9.10 6 850 1554 22.2 10.2 46 12.0 14.5 100 17 309.4 311.1 293.7 337.6 9.23 7 748 2645 12.0 5.0 62 7.0 7.9 96 17 309.8 311.2 292.4 332.4 7.33 8 713 3044 9.6 -4.4 37 14.0 2.8 120 13 311.5 312.2 289.9 323.7 3.87 9 700 3197 8.6 -1.4 49 10.0 3.4 130 11 312.0 312.9 291.0 327.5 4.93 10 673 3521 5.8 0.8 70 5.0 3.1 130 11 312.4 313.6 292.0 331.3 6.04 11 626 4111 3.4 -18.6 18 22.0 -4.4 119 17 316.2 316.5 289.0 320.9 1.41 12 616 4242 5.0 -35.0 4 40.0 -5.3 116 18 319.5 319.6 288.9 320.7 0.32 13 607 4362 4.0 -38.0 3 42.0 -6.1 114 18 319.7 319.7 288.9 320.6 0.24 14 600 4456 3.4 -37.6 3 41.0 -6.4 112 16 320.1 320.1 289.0 321.0 0.25 15 560 5012 0.0 -25.0 13 25.0 -7.7 110 9 322.4 322.6 290.5 325.6 0.90 16 525 5526 -3.5 -23.5 20 20.0 -9.7 130 8 324.2 324.4 291.2 328.1 1.09 17 516 5662 -4.3 -26.3 16 22.0 -10.6 135 8 324.9 325.0 291.1 327.9 0.86 18 500 5910 -6.1 -24.1 23 18.0 -11.5 145 8 325.6 325.8 291.6 329.5 1.09 19 499 5926 -6.3 -23.3 25 17.0 -11.5 146 8 325.5 325.8 291.6 329.7 1.17 20 411 7407 -16.3 -20.0 73 3.7 -17.4 207 15 331.2 331.6 293.8 337.9 1.90 21 400 7610 -17.1 -24.1 55 7.0 -19.0 215 16 332.8 333.0 293.7 337.7 1.36 22 300 9710 -32.7 -45.7 26 13.0 -34.0 235 20 339.3 339.3 294.4 340.1 0.21 23 282 10143 -35.7 -50.7 20 15.0 -36.8 233 22 341.0 341.1 294.7 341.6 0.13 24 261 10677 -40.1 -48.1 42 8.0 -40.7 230 25 342.2 342.2 295.0 343.0 0.19 25 250 10970 -42.3 -52.3 33 10.0 -42.9 235 29 343.2 343.2 295.2 343.7 0.12 26 200 12440 -53.7 -63.7 28 10.0 -53.9 240 22 347.7 347.7 296.1 347.9 0.04 27 192 12701 -55.7 -66.7 24 11.0 -55.9 237 24 348.6 348.6 296.4 348.7 0.03 28 179 13143 -59.1 -68.1 30 9.0 -59.2 232 27 350.1 350.1 296.7 350.2 0.02 29 167 13575 -61.9 -72.9 22 11.0 -62.0 227 31 352.5 352.5 297.2 352.5 0.01 30 153 14110 -66.5 -76.5 23 10.0 -66.5 221 35 353.5 353.5 297.4 353.6 0.01 31 150 14230 -67.1 -78.1 20 11.0 -67.2 220 36 354.5 354.5 297.6 354.5 0.01 32 148 14311 -67.5 -78.5 19 11.0 -67.5 220 36 355.2 355.2 297.7 355.2 0.01 33 119 15591 -76.1 -83.1 32 7.0 -76.1 213 36 362.2 362.2 299.1 362.2 0.00 34 107 16196 -79.9 -86.9 30 7.0 -79.9 208 36 366.2 366.2 299.9 366.2 0.00 35 105 16302 -79.9 -86.9 30 7.0 -79.9 207 36 368.2 368.2 300.2 368.2 0.00 36 100 16580 -76.3 -84.3 27 8.0 -76.3 205 36 380.3 380.3 302.3 380.3 0.00 37 93 17002 -73.7 -82.7 24 9.0 -73.7 214 29 393.4 393.4 304.3 393.4 0.00 38 70 18650 -77.5 -89.5 13 12.0 -77.6 110 9 418.6 418.6 307.6 418.6 0.00 39 63 19262 -68.9 -84.9 8 16.0 -69.1 104 15 450.4 450.4 310.9 450.4 0.00 40 50 20650 -64.9 -85.9 4 21.0 -65.2 90 28 490.5 490.5 314.2 490.6 0.00 41 45 21296 -60.9 -83.9 3 23.0 -61.4 90 35 515.3 515.3 316.0 515.3 0.01 42 41 21871 -61.5 -85.5 3 24.0 -62.1 88 39 527.7 527.7 316.8 527.7 0.01 43 31 23622 -55.7 -85.7 1 30.0 -57.1 81 51 587.3 587.3 320.0 587.3 0.01 44 30 23830 -55.3 -85.3 1 30.0 -56.8 80 52 593.9 593.9 320.3 593.9 0.01 45 26 24743 -54.9 -84.9 1 30.0 -56.7 86 54 619.8 619.8 321.5 619.9 0.01 46 24 25253 -56.1 -85.1 1 29.0 -57.8 87 54 630.7 630.7 321.9 630.8 0.01 47 24 25253 -56.1 -85.1 1 29.0 -57.8 87 54 630.7 630.7 321.9 630.8 0.01 48 20 26420 -52.7 -83.7 1 31.0 -55.4 90 56 674.9 674.9 323.6 675.0 0.02 49 15 28306 -47.1 -80.1 1 33.0 -52.4 91 56 751.4 751.4 326.0 751.7 0.04 50 11 30383 -42.7 -76.7 1 34.0 -51.1 94 55 837.0 837.1 328.1 838.1 0.10 51 10 31030 -41.1 -75.1 1 34.0 -50.7 95 55 866.1 866.2 328.8 867.6 0.14 52 9.9 31098 -41.3 -75.3 1 34.0 -50.8 867.9 867.9 328.8 869.4 0.14 53 9.4 31450 -41.9 -74.9 2 33.0 -51.3 878.6 878.6 329.0 880.2 0.16 TRP 874 1311 24.4 10.4 41 14.0 15.4 105 14 309.2 310.9 293.6 337.0 9.10 WND Sounding variables and indices 1000-500 mb thick: 5799.00 m Freezing level: 560.00 mb = 5012.05 m = 16443.53 ft Wetbulb zero: 653.71 mb = 3757.64 m = 12328.07 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 34.97 % Est. max temperature: 35.17 C = 95.30 F Sfc-Lift cond lev (LCL): 816.86 mb = 1893.26 m = 6211.42 ft T: 19.03 C 700-500 lapse rate: 5.42 C/km ThetaE index: 13.89 C Layer 748.0- 700.0 mb Conv cond level (CCL): 683.12 mb = 3397.75 m = 11147.34 ft Mean mixing ratio: 9.16 g/kg Conv temperature: 37.94 C = 100.28 F Cap Strength: 3.81 C Lifted Index: 2.14 C Risk: None Lifted Index @300 mb: 3.49 C Lifted Index @700 mb: 2.02 C Showalter Index: 1.67 C Risk: Showers probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 16.30 C K Index: 28.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 164.40 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.43 J/kg Max Up Vert Vel: 4.78 m/s Conv Inhibition (B-): 36155.87 J/kg Cap Strength: 3.44 C Lift Cond Lev (LCL): 717.97 mb = 2986.45 m = 9797.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 at 10 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 987 227 200 4 1.4 3.8 | 300 8 7.0 -4.1 1 978 305 135 12 -8.5 8.5 | 102 3 -2.9 0.6 2 946 610 145 10 -5.7 8.2 | 161 0 -0.1 0.3 3 925 810 135 11 -7.8 7.8 | 88 2 -2.2 -0.1 4 914 914 130 11 -8.4 7.1 | 74 3 -2.8 -0.8 5 883 1219 115 14 -12.7 5.9 | 75 7 -7.1 -1.9 6 874 1311 105 14 -13.5 3.6 | 62 9 -7.9 -4.2 7 850 1554 100 17 -16.7 3.0 | 66 12 -11.1 -4.9 8 823 1829 95 17 -16.9 1.5 | 61 13 -11.3 -6.4 9 794 2134 90 17 -17.0 0.0 | 55 14 -11.4 -7.9 10 766 2438 90 20 -20.0 0.0 | 61 16 -14.4 -7.9 11 739 2743 100 16 -15.8 2.8 | 63 11 -10.1 -5.1 12 700 3197 130 11 -8.4 7.1 | 74 3 -2.8 -0.8 13 661 3658 130 11 -8.4 7.1 | 74 3 -2.8 -0.8 14 613 4267 115 19 -17.2 8.0 | 91 12 -11.6 0.2 15 568 4877 105 9 -8.7 2.3 | 29 6 -3.1 -5.5 16 500 5910 145 8 -4.6 6.6 | 322 2 1.0 -1.3 17 488 6096 155 9 -3.8 8.2 | 261 2 1.8 0.3 18 400 7610 215 16 9.2 13.1 | 250 16 14.8 5.2 19 399 7620 215 13 7.5 10.6 | 258 13 13.1 2.8 20 324 9144 225 16 11.3 11.3 | 258 17 16.9 3.5 21 300 9710 235 20 16.4 11.5 | 261 22 22.0 3.6 22 261 10668 230 25 19.2 16.1 | 252 26 24.8 8.2 23 250 10970 235 29 23.8 16.6 | 253 31 29.4 8.8 24 200 12440 240 22 19.1 11.0 | 263 25 24.7 3.1 25 150 14230 220 36 23.1 27.6 | 236 35 28.8 19.7 26 126 15240 215 36 20.6 29.5 | 231 34 26.3 21.6 27 100 16580 205 36 15.2 32.6 | 220 32 20.8 24.8 28 75 18288 240 7 6.1 3.5 | 290 12 11.7 -4.4 29 70 18650 110 9 -8.5 3.1 | 31 6 -2.8 -4.8 30 50 20650 90 28 -28.0 0.0 | 71 24 -22.4 -7.9 31 45 21336 90 35 -35.0 0.0 | 75 30 -29.4 -7.9 32 30 23830 80 52 -51.2 -9.0 | 70 49 -45.6 -16.9 33 28 24384 85 53 -52.8 -4.6 | 75 49 -47.2 -12.5 34 20 26420 90 56 -56.0 0.0 | 81 51 -50.4 -7.9 35 17 27432 90 56 -56.0 0.0 | 81 51 -50.4 -7.9 36 10 31030 95 55 -54.8 4.8 | 86 49 -49.2 -3.1 Wind Parameters Mean winds (0-6000m): 114.4 at 12.9 knts Storm direction: 144.4 at 9.7 knts Shear (0-3000m) pos: 2.0 neg: 3.4 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 133.9 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -12.9 tot: 3.0 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.46 Bulk Shear: 4.64 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 141 10 104 1| 0.0 9.6 9.6| 2.0 -0.1 1.9 3.7 0.78| 20.4 15.9 1000 133 11 84 3| 0.0 7.3 7.3| 2.1 -1.3 0.8 0.8 0.55| 13.5 7.4 1500 120 13 74 6| 0.0 6.3 6.3| 3.9 -7.1 -3.2 -2.1 0.39| 11.1 4.4 2000 111 14 68 8| 0.0 5.1 5.1| 5.7 -12.9 -7.2 -3.6 0.33| 9.1 3.0 2500 106 15 66 9| 0.7 4.0 4.7| 12.0 -12.9 -0.8 -0.3 0.31| 8.7 2.7 3000 107 15 67 9| 2.0 3.4 5.4| 15.9 -12.9 3.0 1.0 0.29| 8.7 2.5 4000 111 14 70 8| 1.5 3.5 5.1| 17.5 -13.3 4.2 1.0 0.27| 7.6 2.1 5000 111 14 69 8| 1.5 2.4 3.9| 17.5 -32.1 -14.6 -2.9 0.10| 7.3 0.7 6000 114 13 67 7| 1.8 2.0 3.8| 17.5 -34.5 -17.0 -2.8 0.03| 6.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//DRRN/skewt/DRRN.skewt.20251018.00.gif